Clean System Files/readLine.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 #include <readline/readline.h>
   5 #include <readline/history.h>
   6
   7 #include "Clean.h"
   8
   9 static char *cs_answer = (char *)NULL;
  10
  11 void cleanReadLine(CleanString prompt, int history, CleanString *result)
  12 {
  13         //Initialize
  14         unsigned long promptlen = CleanStringLength(prompt);
  15         char *cs_prompt = (char *)malloc(promptlen+1);
  16         if(cs_prompt == NULL){
  17                 printf("malloc failed...\n");
  18                 exit(1);
  19         }
  20         memcpy(cs_prompt, CleanStringCharacters(prompt), promptlen);
  21         cs_prompt[promptlen] = '\0';
  22
  23         //Get the answer and add to history if not empty
  24         if(cs_answer){
  25                 free(cs_answer);
  26                 cs_answer = (char *)NULL;
  27         }
  28         cs_answer = readline(cs_prompt);
  29         free(cs_prompt);
  30         if(cs_answer && *cs_answer && history){
  31                 add_history(cs_answer);
  32         }
  33
  34         //Transfor answer into cstring
  35         CleanStringVariable(answer, strlen(cs_answer));
  36         *result = (CleanString) answer;
  37         memcpy(CleanStringCharacters(answer), cs_answer, strlen(cs_answer));
  38         CleanStringLength(answer) = strlen(cs_answer);
  39 }